Ghiyath al_Din Jamshid Kashani

Kashani, a mathematician and astronomer of the 8th and 9th centuries AH (lslamic calendar), is renowned for his achievements in mathematical calculations and astronomical instruments, such as the calculation of thr number pi. His famous work, “Zij_i khaqani,” is considered one of the important sources in the field of astronomy.


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Kashani, a mathematician and astronomer of the 8th and 9th centuries AH (lslamic calendar), is renowned for his achievements in mathematical calculations and astronomical instruments, such as the calculation of thr number pi. His famous work, “Zij_i khaqani,” is considered one of the important sources in the field of astronomy.


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